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Would anyone be able to help with this? on my review and not sure how to do it
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4 votes
Would anyone be able to help with this? on my review and not sure how to do it

Would anyone be able to help with this? on my review and not sure how to do it-example-1
User Mariyam
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1 Answer

6 votes

90 degrees - 78 degrees = 12 degrees

cofunction of sin is cos

answer : cos12

User Marek Skiba
by
7.9k points
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